<template>
  <transition name="slide">
    <music-list :songs="songs" :bgImage="bgImage" :title="title"></music-list>
  </transition>
</template>
<script>
import {mapGetters} from 'vuex'
import {getSingerDetail} from 'api/singer'
import {ERR_OK} from 'api/config'
import {createSong} from 'common/js/song'
import musicList from 'components/music-list/music-list'

export default {
  data() {
    return {
      songs: []
    }
  },
  components: {
    musicList
  },
  computed: {
    title() {
      return this.singer.name
    },
    bgImage() {
      return this.singer.avatar
    },
    ...mapGetters([
      'singer'
    ])
  },
  created() { 
    // let temp = this.$store.state.singer
    this._getDetail()
  },
  methods: {
    _getDetail() {
      // 当歌手详情页刷新时store是没有数据的
      if(!this.singer.id) {
        this.$router.push('/singer')
        return
      }
      getSingerDetail(this.singer.id).then((res) => {
        if(res.code === ERR_OK) {
          this.songs = this._normalizeSongs(res.data.list)
        }
      })
    },
    _normalizeSongs(list) {
      let ret = []
      list.forEach(item => {
        let {musicData} = item
        if(musicData.songid && musicData.albummid) {
          ret.push(createSong(musicData))
        }
      })
      return ret
    }
  }
}
</script>
<style lang="stylus" scoped>
.slide-enter,
.slide-leave-to
  transform: translate3d(100%, 0, 0)
.slide-enter-active,
.slide-leave-active
  transition: all 0.3s
</style>
